Report Generated 08/03/2020 at 0725

Page Description

1 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

2 - Redding 10-Day Forecasted Air Temperatures

3 - Sacramento River Mean Daily Water Temperature, Air Temperature and 10-Day Forecasted Air Temperature Plot

- Water Temperature Measuring Station Details

- Temperature Control Point Details

4 - Shasta Lake Isothermobaths Plot

5 - Trinity Lake Isothermobaths Plot

6 - Whiskeytown Lake Isothermobaths Plot

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

July - 2020
Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Jun 9680 1497 11443 75.1 76.0 -

07/01 51.8 51.1 53.9 52.3 52.6 53.3 54.7 55.9 56.7 57.6 57.8 53.5 - 10503 1528 12478 80.0 77.1 77.3 -

07/02 51.7 51.1 54.0 52.6 52.9 53.6 55.0 56.2 57.0 57.9 57.8 54.0 - 10416 1387 12434 83.5 76.4 77.1 -

07/03 51.9 51.2 54.0 52.6 53.0 53.6 55.1 56.3 57.1 58.1 57.8 54.2 - 10356 1583 12458 77.0 73.8 73.8 -

07/04 52.0 51.5 54.1 52.7 53.0 53.7 55.1 56.2 57.0 58.0 57.8 54.4 - 10719 1372 12462 81.0 77.6 77.5 -

07/05 52.1 51.4 54.1 52.9 53.3 53.9 55.3 56.5 57.2 58.1 57.9 54.3 - 10691 1581 12446 81.0 78.3 80.3 -

07/06 51.7 51.1 54.2 52.9 53.3 53.9 55.4 56.6 57.3 58.3 58.0 53.7 - 9934 1646 12407 79.5 75.3 78.7 -

07/07 51.9 51.1 54.3 52.6 53.0 53.6 55.2 56.4 57.2 58.2 57.7 53.6 - 11412 1358 12361 78.0 75.6 76.0 -

07/08 52.0 51.2 54.4 52.7 53.0 53.6 55.1 56.3 57.1 58.1 58.4 53.5 - 10658 1111 12372 85.5 79.3 79.3 -

07/09 52.0 51.2 54.4 52.9 53.2 53.6 55.3 56.5 57.3 58.3 58.4 53.7 - 10630 1586 12313 82.5 79.6 80.0 -

07/10 52.2 51.4 54.5 52.9 53.3 53.8 55.4 56.6 57.4 58.5 58.5 53.8 - 10504 1624 12388 84.5 79.5 81.2 -

07/11 52.1 51.3 54.7 53.1 53.5 54.1 55.7 56.8 57.6 58.6 58.6 53.8 - 10458 1669 12330 85.0 80.2 81.4 -

07/12 51.9 51.0 54.7 53.1 53.5 54.0 55.7 56.9 57.8 58.8 58.5 53.2 - 9872 1736 12359 84.5 80.6 82.5 -

07/13 52.2 51.3 54.8 52.9 53.4 53.9 55.6 56.9 57.7 58.8 59.1 53.3 - 10979 1483 12356 85.5 80.3 81.0 -

07/14 52.4 51.4 54.8 53.1 53.5 54.0 55.6 56.9 57.7 58.8 58.6 53.7 - 10395 1466 12419 86.0 81.4 80.0 -

07/15 52.5 51.6 54.9 53.2 53.6 54.2 55.9 57.1 58.0 59.1 58.8 53.7 - 10712 1245 12393 90.0 84.3 83.0 -

07/16 52.0 51.2 55.0 53.3 53.7 54.4 56.1 57.4 58.3 59.4 59.1 53.6 - 11064 1046 12365 86.0 81.0 79.8 -

07/17 51.9 50.8 55.0 53.0 53.5 54.1 55.9 57.3 58.2 59.4 59.2 53.9 - 10863 1419 12381 85.5 80.5 79.8 -

07/18 52.0 51.0 55.1 52.9 53.3 53.7 55.5 56.7 57.7 59.0 58.9 54.1 - 10383 1461 12404 86.0 81.7 81.2 -

07/19 51.9 50.9 55.2 53.0 53.4 54.0 55.6 56.7 57.6 58.6 59.0 53.9 - 10482 1798 12415 88.5 83.5 83.6 -

07/20 51.9 50.9 55.2 53.0 53.4 54.0 55.8 57.0 57.9 59.1 59.3 53.8 - 10226 1643 12475 87.0 80.9 79.1 -

07/21 52.1 51.1 55.3 52.9 53.4 53.9 55.6 56.8 57.7 59.0 59.3 53.9 - 10405 1525 12461 85.5 79.6 78.4 -

07/22 52.1 50.9 55.4 53.1 53.4 53.8 55.4 56.5 57.4 58.5 58.7 ? 52.2 - 10401 1579 12003 81.5 77.3 76.4 -

07/23 51.6 50.8 55.5 53.0 53.3 53.8 55.4 56.4 57.3 58.2 58.7 51.8 - 9998 1592 11735 82.0 77.6 76.7 -

07/24 51.7 50.5 55.5 52.9 53.4 54.0 55.8 57.0 57.8 58.8 58.8 51.4 - 9254 1624 11459 84.0 79.2 78.5 -

07/25 51.7 50.6 55.6 52.9 53.3 53.8 55.6 56.8 57.8 58.9 59.0 51.3 - 9778 1607 11468 84.0 80.2 80.3 -

07/26 51.8 50.6 55.7 52.9 53.3 53.8 55.5 56.8 57.7 58.9 59.1 51.7 - 9251 1569 11462 87.0 81.7 81.9 -

07/27 52.0 50.8 55.8 53.0 53.4 54.0 55.8 57.0 57.9 59.0 59.2 51.4 - 9886 1357 11465 87.5 82.9 82.1 -

07/28 51.8 50.7 55.9 53.1 53.5 54.1 55.9 57.1 58.0 59.2 59.3 51.5 - 9743 1095 11236 88.0 83.5 82.6 -

07/29 51.3 50.2 55.9 53.1 53.6 54.2 56.0 57.3 58.2 59.3 ! - 51.2 - 8734 1574 10994 86.0 80.4 81.0 -

07/30 51.3 50.2 56.0 52.6 53.2 53.7 55.6 56.9 57.8 59.1 # - 51.3 - 8928 1657 10976 82.5 77.1 77.6 -

07/31 51.4 50.2 56.1 52.5 53.1 53.7 55.4 56.6 57.5 58.7 # - 51.3 - 8934 1606 11006 82.5 77.6 78.3 -

Jul 10212 1501 12074 79.5 79.6 -

316569 46527 374281

Legend Notes 627902 92284 742371

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current control point (see page 3 for more details)

↑ = Record high air temperature 3 Column not used this month

↓ = Record low air temperature

 = Monthly Averages

53.9

54.8

55.5

D

A

T

E

51.3 50.5

TCD SAC CCR 1 SHD SPP1 KWK

Mean Daily Water Temperatures (°F)

BSF2

51.9 51.0 55.0 52.9 53.3

52.8 51.9 52.4 53.1 56.1 56.9

Mean Daily 

Release (CFS)

Mean Daily 

Air Temperatures (°F)

RDD

78.3

Total CFS

84.1

51.5

56.7

IGO

57.6

Total AF

57.9 56.4

RDB

58.6 58.6

LWS

53.0 -

-----

-

JLF BND 3

1
↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

07/01 64 94 79.0 66 96 81.0 62 96 79.0 62 95 78.5 62 97 79.5 63 98 80.5 63 98 80.5 63 97 80.0 66 92 79.0 64 94 79.0 66 95 80.5 64 95 79.5

07/02 64 96 80.0 73 97 85.0 62 95 78.5 62 98 80.0 62 97 79.5 61 97 79.0 62 95 78.5 62 95 78.5 65 96 80.5 65 94 79.5 65 94 79.5 66 98 82.0

07/03 71 96 83.5 63 94 78.5 61 96 78.5 61 98 79.5 61 96 78.5 61 94 77.5 61 94 77.5 62 94 78.0 63 92 77.5 66 96 81.0 67 95 81.0 66 96 81.0

07/04 62 92 77.0 65 97 81.0 61 97 79.0 61 95 78.0 60 94 77.0 61 96 78.5 62 94 78.0 61 97 79.0 66 96 81.0 67 95 81.0 67 95 81.0 66 95 80.5

07/05 64 98 81.0 62 99 80.5 61 97 79.0 61 95 78.0 63 98 80.5 64 96 80.0 63 98 80.5 64 101 82.5 65 95 80.0 64 90 77.0 64 92 78.0 65 94 79.5

07/06 62 100 81.0 63 97 80.0 59 96 77.5 62 99 80.5 64 98 81.0 63 100 81.5 64 102 83.0 65 103 84.0 67 97 82.0 66 97 81.5 66 94 80.0 65 96 80.5

07/07 62 97 79.5 60 97 78.5 64 100 82.0 64 100 82.0 63 100 81.5 65 102 83.5 64 102 83.0 65 102 83.5 68 101 84.5 69 100 84.5 70 99 84.5 68 100 84.0

07/08 59 97 78.0 73 100 86.5 64 100 82.0 64 101 82.5 64 102 83.0 64 102 83.0 66 102 84.0 66 103 84.5 73 105 89.0 71 102 86.5 70 98 84.0 67 98 82.5

07/09 73 98 85.5 68 100 84.0 64 102 83.0 65 103 84.0 65 105 85.0 67 105 86.0 69 105 87.0 69 104 86.5 71 102 86.5 69 101 85.0 70 99 84.5 67 100 83.5

07/10 65 100 82.5 67 102 84.5 65 104 84.5 65 104 84.5 68 105 86.5 69 107 88.0 70 108 89.0 69 101 85.0 70 101 85.5 69 101 85.0 70 99 84.5 67 98 82.5

07/11 67 102 84.5 68 104 86.0 65 104 84.5 68 104 86.0 69 107 88.0 70 109 89.5 70 105 87.5 69 103 86.0 71 102 86.5 69 101 85.0 69 99 84.0 66 98 82.0

07/12 66 104 85.0 66 105 85.5 68 103 85.5 67 106 86.5 69 109 89.0 70 105 87.5 69 104 86.5 69 104 86.5 71 103 87.0 69 102 85.5 69 97 83.0 65 96 80.5

07/13 65 104 84.5 77 104 90.5 67 106 86.5 69 109 89.0 70 104 87.0 70 102 86.0 68 104 86.0 68 105 86.5 67 100 83.5 66 100 83.0 68 98 83.0 66 98 82.0

07/14 69 102 85.5 69 104 86.5 67 110 88.5 69 104 86.5 69 102 85.5 68 104 86.0 67 104 85.5 68 104 86.0 68 102 85.0 67 100 83.5 69 98 83.5 67 100 83.5

07/15 68 104 86.0 69 110 89.5 69 106 87.5 69 102 85.5 68 105 86.5 68 106 87.0 68 106 87.0 68 105 86.5 71 106 88.5 70 105 87.5 71 101 86.0 68 100 84.0

07/16 69 111 90.0 70 106 88.0 69 102 85.5 67 104 85.5 69 106 87.5 70 107 88.5 69 104 86.5 67 101 84.0 66 97 81.5 65 94 79.5 66 94 80.0 64 96 80.0

07/17 69 103 86.0 71 101 86.0 67 104 85.5 69 106 87.5 68 105 86.5 68 105 86.5 67 101 84.0 64 100 82.0 66 99 82.5 66 100 83.0 68 98 83.0 66 98 82.0

07/18 71 100 85.5 70 104 87.0 68 106 87.0 68 105 86.5 67 103 85.0 66 99 82.5 64 98 81.0 65 100 82.5 67 98 82.5 66 101 83.5 67 99 83.0 66 99 82.5

07/19 69 103 86.0 71 106 88.5 68 106 87.0 68 104 86.0 65 101 83.0 65 100 82.5 66 101 83.5 66 102 84.0 67 102 84.5 68 101 84.5 70 100 85.0 66 98 82.0

07/20 70 107 88.5 73 105 89.0 68 104 86.0 67 99 83.0 65 98 81.5 65 99 82.0 64 99 81.5 64 101 82.5 67 100 83.5 67 102 84.5 69 100 84.5 66 98 82.0

07/21 72 102 87.0 71 102 86.5 66 99 82.5 64 96 80.0 65 99 82.0 64 100 82.0 65 104 84.5 68 106 87.0 71 107 89.0 70 103 86.5 70 100 85.0 66 100 83.0

07/22 71 100 85.5 71 98 84.5 65 97 81.0 65 100 82.5 64 101 82.5 66 104 85.0 67 104 85.5 68 103 85.5 66 97 81.5 65 93 79.0 66 95 80.5 65 97 81.0

07/23 68 95 81.5 67 97 82.0 64 100 82.0 63 102 82.5 67 103 85.0 67 102 84.5 67 102 84.5 65 101 83.0 65 100 82.5 65 104 84.5 66 98 82.0 65 98 81.5

07/24 66 98 82.0 69 100 84.5 64 103 83.5 68 105 86.5 69 103 86.0 67 102 84.5 65 99 82.0 63 99 81.0 66 99 82.5 68 105 86.5 70 102 86.0 68 103 85.5

07/25 67 101 84.0 67 103 85.0 68 106 87.0 70 103 86.5 68 103 85.5 65 97 81.0 63 98 80.5 64 99 81.5 65 97 81.0 65 98 81.5 67 97 82.0 66 98 82.0

07/26 67 101 84.0 69 104 86.5 69 104 86.5 68 104 86.0 66 99 82.5 62 98 80.0 63 98 80.5 64 101 82.5 67 103 85.0 67 103 85.0 67 100 83.5 67 100 83.5

07/27 68 106 87.0 73 104 88.5 68 104 86.0 66 101 83.5 62 99 80.5 62 97 79.5 64 101 82.5 66 102 84.0 69 98 83.5 69 100 84.5 70 101 85.5 66 100 83.0

07/28 71 104 87.5 71 104 87.5 67 102 84.5 65 102 83.5 64 101 82.5 64 103 83.5 66 103 84.5 67 102 84.5 68 99 83.5 68 103 85.5 70 100 85.0 67 101 84.0

07/29 71 105 88.0 70 102 86.0 63 101 82.0 63 102 82.5 64 104 84.0 66 104 85.0 66 102 84.0 66 103 84.5 68 102 85.0 68 101 84.5 69 99 84.0 66 99 82.5

07/30 70 102 86.0 63 99 81.0 63 102 82.5 64 103 83.5 65 102 83.5 66 102 84.0 66 102 84.0 66 103 84.5 67 98 82.5 66 100 83.0 67 98 82.5 65 97 81.0

07/31 63 102 82.5 65 101 83.0 62 102 82.0 65 102 83.5 65 100 82.5 65 100 82.5 64 100 82.0 63 98 80.5 68 98 83.0 66 97 81.5 66 97 81.5 65 98 81.5

Web Links Legend

10-Day Min/Max Forecast NR = Forecasted temperatures not recorded

Previous Days Min/Max Actuals 100 = Previous day actual temperatures in red and bolded indicate a record temperature for that date

D

A

T

E

Forecasted

4 Days 5 Days 6 Days

Actual

Previous Day Current Day 1 Day 2 Days 3 Days 7 Days 9 Days 10 Days

Redding (RDD) Daily Air Temperatures (°F)

8 Days

2
Code Body of Water Location1 CDEC Link Point Temp. (°F) Begin Date

TCD N/A Shasta Power Plant N/A BSF 56.0 5/15/2019

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here

SPP N/A Spring Creek Power Plant N/A

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here Notes

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

DGC2 Trinity River 19 miles downstream of Lewiston Dam Click Here 2 DGC is only reported in September

NFH3 Trinity River 38 miles downstream of Lewiston Dam Click Here 3 NFH is only reported in October, November and December

Station Details Temperature Control Point

75

78

81

84

87

90

93

51

52

53

54

55

56

57

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)

3
Latest Profile Date: 07/28/2020

0

300

600

900

1200

1500

1800

2100

2400

2700

3000

3300

3600

3900

4200

4500

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Shasta Lake Isothermobaths - 2020

(Water Temperature, in °F)

Total Daily Storage

4
Latest Profile Date: 07/09/2020

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Trinity Lake Isothermobaths - 2020

(Water Temperature, in °F)

Total Daily Storage

5
Latest Profile Date: 07/10/2020

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Whiskeytown Lake Isothermobaths - 2020

(Water Temperature, in °F)

Total Daily Storage

6